No More Pain For This Villain. - Chapter 54 53.

This story is about a rookie researcher, who was forcefully dragged away from his restful life, compelled into facing various killers and zombies, always having to risk his life at the brink of death, and finally becoming an advanced researcher that is acclaimed by all. And throughout his adventure, he met an alluring(?) killing machine, who he started to have fantasies on after they had an accidental kiss…

Xiao Yan: Did I fall for him? But he’s a man!

Maya: Who knows…. maybe it’s the other way round?

- Description from Novelupdates

An Unexpected Turn: Villain Becomes DadIn a hilarious twist of fate, Yang Chen is reborn as the brainless villain in a romance novel, already at odds with the destined hero, Lin Yan. Knowing he can’t directly challenge him; Yang Chen makes a strategic move – saving Lin Yan’s mother from a chronic illness.This act of kindness blossoms into love, and a year later, they welcome a child. Yang Chen, hoping for a peaceful family life with his wife and son, is met with a shocking system notification:[Host’s son is born, plundering his elder brother, the male lead’s Providence Luck by 3000 points!] [The Great Villain System is officially activated!]The system throws Yang Chen’s plans into chaos. He’s forced to become the antagonist he was originally destined to be, but with a hilarious twist – his target is now his own stepson!

Gou Liang travels through worlds in order to complete a mysterious and arduous mission…

16 worlds in total:

School Campus: Strawberry Flavored Scholar Gong √
Entertainment circle: Lemon Flavored Film Emperor Gong √
Ancient Time: Honey Tangerine Flavored Shadow Guard Gong √
WuXia: Melon Flavored Senior Brother √
Beastmen: Pineapple flavored Beastmen Gong √
Ghost Spirits: Snow Pear Flavored Dead Gong √
Ancient Time: Gr*pe Flavored Regent Gong √
Apocalypse: Banana Flavored Boss Gong √
Interstellar: Pomegranate Flavored Sentinel Gong √
Modern: Citrus Flavored Aristocrat Gong √
Mecha: Sweet Jujube flavored Lunar New Year Gong √
Ancient Time: Durian Flavored Battle God Gong √
Magic: Watermelon Flavored Blacken Gong √
Cultivation: Cherry Flavored Disciple Gong √
Fantasy: Blueberry Flavored Demon King Gong √
Celestial World: Bayberry flavored Senior Immortal Gong √

- Description from Novelupdates